偶然发现

• chance on
• hit upon
• hit on
• hit
• stumble upon
• stumble across
• drop upon
• as it may chance
• chance upon
• blunder upon sth.
• alight
• happen

例句

1. 她在抽屉里偶然发现一些旧照片。
   She, came across some old photographs in a drawer.
2. 我偶然发现在书架後面有一本满是灰尘的旧书。
   My eye alighted on a dusty old book at the back of the shelf.
3. 我在一家小书店里偶然发现了这本书。
   I hit on the book in a small book shop.
4. 我偶然发现了我一直在寻找的东西。
   I happened on just the thing I'd been looking for.
5. 他偶然发现一张十年前拍的照片。
   He hit upon a photo taken ten years ago.